655440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2731}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 2032608

約数和(自身を除く): 1377168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2731, 5462, 8193, 10924, 13655, 16386, 21848, 27310, 32772, 40965, 43696, 54620, 65544, 81930, 109240, 131088, 163860, 218480, 327720, 655440]

約数ペア:

[(1, 655440), (2, 327720), (3, 218480), (4, 163860), (5, 131088), (6, 109240), (8, 81930), (10, 65544), (12, 54620), (15, 43696), (16, 40965), (20, 32772), (24, 27310), (30, 21848), (40, 16386), (48, 13655), (60, 10924), (80, 8193), (120, 5462), (240, 2731)]